IB 1198 then IB 1321 at Madrid
Toulouse → Madrid → Düsseldorf
Timetable, Madrid time
07:25IB 1198 from Toulouse at the gatealso CX 1939, VY 5797
12:40IB 1321 to Düsseldorf leaves the gatealso VY 5407, AA 8629
5 h 15 apart on the timetable
The last days
IB 1198 and IB 1321 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.